Designed for high production and compatibility with larger extrusion dies, the Starkey SFM-99 extruder features dual counter-rotating mixing shafts powered by 30–70 total horsepower split between two drives. It can process up to 8,000 pounds per hour and offers optional stainless steel or ultra-wear-resistant high-chromium wear parts, an innovative positive displacement vacuum chamber, and a variety of other customizable options.